	b	start
	b	und
start:
	cpsie	if, #16
	.word	0xe7f000f0	@ architecturally undefined instruction
	b	.
und:
	ldr	r1, =0x1df
	mrs	r0, cpsr
	and	r2, r0, r1
	mrs	r0, spsr
	and	r3, r0, r1
	b	.
